Freshly cut silvery-white thallium metal tarnishing rapidly under dramatic lighting

Freshly cut silvery-white thallium metal tarnishing rapidly under dramatic lighting

A short silent video about Thallium (Tl), element 81, post-transition metal. Thallium is a soft, toxic metal once used as rat poison. Its name means "green twig" for its bright green spectral line.

More Thallium videos

  • Freshly cut silvery-white thallium metal tarnishing rapidly under dramatic lighting (this video)

Explore Thallium: facts, properties and a 3D atom · Back to the periodic table